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WO2017215642A1 - 一种资源分配方法、网络设备及终端设备 - Google Patents

一种资源分配方法、网络设备及终端设备 Download PDF

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Publication number
WO2017215642A1
WO2017215642A1 PCT/CN2017/088542 CN2017088542W WO2017215642A1 WO 2017215642 A1 WO2017215642 A1 WO 2017215642A1 CN 2017088542 W CN2017088542 W CN 2017088542W WO 2017215642 A1 WO2017215642 A1 WO 2017215642A1
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WIPO (PCT)
Prior art keywords
resource
terminal device
uplink service
send
network device
Prior art date
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PCT/CN2017/088542
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English (en)
French (fr)
Inventor
张屹
张弛
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication date
Priority claimed from CN201610437227.1A external-priority patent/CN107295674B/zh
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of WO2017215642A1 publication Critical patent/WO2017215642A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the present application relates to the field of wireless communications, and in particular, to a resource allocation method, a network device, and a terminal device.
  • the short transmission time interval (sTTI) uplink service requires that the time interval between the terminal device having the requirement to send the uplink service and the terminal device actually transmitting the uplink service is short, that is, the short transmission time interval uplink service Features low latency and high reliability. Therefore, the network device needs to allocate sufficient resources for the transmission of the uplink service in the short transmission time interval in time to meet the characteristics of low delay and high reliability of the uplink service in the short transmission time interval.
  • the specific time interval of the specific short transmission interval can be determined according to system requirements or standard definitions.
  • the network device allocates a resource for the terminal device to send the short transmission time interval uplink service, if the current resource is already occupied, or the current unoccupied resource is insufficient to support the terminal device to send the short transmission time interval uplink service, Then, the network device cannot allocate the resources for sending the short transmission time interval uplink service to the terminal device in time. As shown in FIG. 1 , when the terminal device is allocated to the terminal device, the terminal device can send the short transmission time interval uplink service, so that the terminal device sends the short transmission time interval and the uplink service has a longer delay. It violates the low delay and high reliability of the uplink service in the short transmission interval.
  • the network device reserves bandwidth resources for service transmission for short transmission interval uplink services and other uplink services, respectively.
  • the network device reserves the bandwidth resource for the uplink service in the short transmission interval, which is easy to waste resources, and the reserved bandwidth resource is used. The utilization of the program resources is low.
  • An embodiment of the present application provides a resource allocation method, a network device, and a terminal device, where the network device allocates resources for the first terminal device to send the short-latency uplink service to the first terminal device in a timely manner.
  • the short transmission time interval (sTTI) service has the characteristics of short delay and high reliability.
  • the URLLC service also has a short delay (also called low time). Extended) and high reliability features.
  • the service with short delay and high reliability is collectively referred to as a short-latency service, which may be an sTTI service, a URLLC service, or a uMTC (Ultra-reliable Machine Type Communication).
  • the business can also be other types of services, which are not limited here.
  • non-short delay services services that do not have the characteristics of short delay and high reliability are collectively referred to as non-short delay services, which can It is considered that the non-sTTI service can also be an MBB service, and can also be other types of services, which are not limited herein.
  • the definition of specific short-delay and high-reliability characteristics can be defined in the requirements of the system or in the standard.
  • an embodiment of the present application provides a resource allocation method, including:
  • the network device notifies the first terminal device that the first terminal device sends the first resource of the uplink service, where the first resource includes the second resource that the network device has allocated to the at least one second terminal device, where the The second resource is used by the at least one second terminal device to send an uplink service;
  • the network device notifies the at least one second terminal device that the uplink service is not sent on the second resource.
  • the network device is configured to notify the first terminal device that the first terminal device sends the first resource of the uplink service, and the network device can allocate the resource for the first terminal device to send the uplink service to the first terminal device in time. Notifying that the at least one second terminal does not send the uplink service on the second resource by using the network device, and preventing the second terminal device from continuing to occupy the second resource, causing the second terminal device and the first terminal device to generate interference and conflict with each other, thereby implementing the first The terminal device and the second terminal device share resources to improve resource utilization.
  • the first resource is composed of at least one time domain resource unit.
  • the time domain resource unit includes one or a combination of the following: a symbol, a time slot, and a subframe.
  • the first resource is composed of at least one frequency domain resource unit.
  • the frequency domain resource unit includes one or a combination of the following: a subcarrier, a subcarrier group, a resource block, and a resource block group.
  • the method for the network device to notify the at least one second terminal device that the uplink service is not sent on the second resource includes:
  • the network device sends downlink control signaling to the at least one second terminal device, where the downlink control signaling is used to indicate that the at least one second terminal device does not send an uplink service on the second resource.
  • the uplink service sent by the first terminal device is a short-latency uplink service
  • the uplink service sent by the at least one second terminal device is a non-short-duration uplink service.
  • the network device can allocate the resources for the first terminal device to send the short-latency uplink service to the first terminal device in time, thereby ensuring the low delay and high reliability of the short-latency uplink service.
  • the first terminal device and the second terminal device are the same terminal device, or the first terminal device and the second terminal device are different terminal devices.
  • a resource allocation method provided by an embodiment of the present application includes:
  • the second resource is a resource that the network device has allocated to the second terminal device, and is used by the second terminal device to send an uplink service.
  • the second terminal device determines that the uplink service is not sent on the second resource.
  • the method for the second terminal device to receive, by the network device, the notification that the second terminal device does not send the uplink service on the second resource includes:
  • the second terminal device receives the downlink control signaling sent by the network device, where the downlink control signaling is used to indicate that the second terminal device does not send the uplink service on the second resource.
  • the method further includes: the second terminal device performs a discrete Fourier transform DFT on the modulated N modulation symbols to obtain N symbols, where N is an integer greater than or equal to 1; The second terminal device maps the M symbols of the N symbols obtained by the DFT to the third resource, where the third resource is used by the second terminal device to send an uplink service, where the third resource does not include the Said second resource.
  • the method further includes: the second terminal device performing a discrete Fourier transform DFT on the M modulation symbols of the modulated modulation symbols to obtain M symbols, where N is greater than An integer equal to 1, and M is an integer less than N; the second terminal device maps the M symbols obtained by the DFT to the third resource, where the third resource is used by the second terminal device to send an uplink service, The third resource does not include the second resource.
  • the second resource is not used to carry N-M symbols of the N symbols.
  • N-M symbols of the N symbols are not mapped.
  • N-M modulation symbols of the N modulation symbols are not DFT.
  • the second resource is composed of at least one time domain resource unit.
  • the time domain resource unit includes one or a combination of the following: a symbol, a time slot, and a subframe.
  • the second resource is composed of at least one frequency domain resource unit.
  • the frequency domain resource unit includes one or a combination of the following: a subcarrier, a subcarrier group, a resource block, and a resource block group.
  • the second resource is used by the first terminal device to send an uplink service.
  • the uplink service sent by the first terminal device is a short-latency uplink service
  • the uplink service sent by the second terminal device is a non-short-duration uplink service.
  • the first terminal device and the second terminal device are the same terminal device, or the first terminal device and the second terminal device are different terminal devices.
  • an embodiment of the present application provides a network device, where the network device has a function of implementing network device behavior in the foregoing method design.
  • the functions may be implemented by hardware or by corresponding software implemented by hardware.
  • the hardware or software includes one or more modules corresponding to the functions described above.
  • the modules can be software and/or hardware.
  • the network device includes a processing unit and a sending unit, where the processing unit is configured to send, by using the sending unit, the notification message involved in the foregoing method to the first terminal device and the second terminal device.
  • the transmitting unit is configured to communicate with a terminal device (including the first terminal device and the second terminal device).
  • the network device includes a processor and a transmitter, and the processor is configured to send, by using the transmitter, the notification message involved in the foregoing method to the first terminal device and the second terminal device.
  • the transmitter is arranged to support communication between the network device and a terminal device (the first terminal device and the second terminal device).
  • the network device can also include a memory for coupling with the processor that retains program instructions and data necessary for the terminal device.
  • an embodiment of the present application provides a terminal device, where the terminal device has a function of implementing a behavior of a terminal device in the foregoing method design.
  • the functions may be implemented by hardware or by corresponding software implemented by hardware.
  • the hardware or software includes one or more modules corresponding to the functions described above.
  • the modules can be software and/or hardware.
  • the terminal device includes a receiving unit and a processing unit, where the receiving unit is configured to receive a notification sent by the network device in the foregoing method, where the processing unit is configured to receive according to the receiving unit.
  • the notification determines that the terminal device does not send the uplink service on the second resource.
  • the structure of the terminal device includes a receiver and a processor, the receiver is configured to support communication between the terminal device and the network device, and the processor is configured to The notification received by the receiver determines that the terminal device does not send the uplink service on the second resource.
  • the terminal device may further include storage
  • the memory is for coupling with a processor, which stores program instructions and data necessary for the terminal device.
  • an embodiment of the present application provides an apparatus, where the apparatus includes: a memory, configured to store a program, and a processor, configured to execute a program stored in the memory, to perform the first aspect and the first aspect.
  • the apparatus includes: a memory, configured to store a program, and a processor, configured to execute a program stored in the memory, to perform the first aspect and the first aspect.
  • the device may be a chip, such as a chip that can be disposed in a network device, and the device may also be a network device.
  • an embodiment of the present application provides an apparatus, where the apparatus includes: a memory, configured to store a program, and a processor, configured to execute a program stored in the memory, to perform the second aspect and the second aspect.
  • the apparatus includes: a memory, configured to store a program, and a processor, configured to execute a program stored in the memory, to perform the second aspect and the second aspect.
  • the device may be a chip, such as a chip that can be disposed in the terminal device, and the device may also be a terminal device.
  • the embodiment of the present application provides a computer readable storage medium, where the computer readable storage medium stores an instruction, when it is running on a network device, causing the network device to perform the first aspect and the On the one hand, various possible methods in design.
  • the embodiment of the present application provides a computer readable storage medium, where the computer readable storage medium stores an instruction, when the terminal device runs on the terminal device, causing the terminal device to perform the second aspect and the Two possible ways of designing.
  • the second resource that has been allocated to the at least one second terminal device is preempted by the network device, and then allocated as the first resource to the first terminal device, where the first resource is used for the first terminal.
  • the device sends an uplink service, and the uplink service may be an uplink service with a short transmission interval.
  • the network device can allocate resources for the first terminal device to send the short-latency uplink service to the first terminal device in time, thereby ensuring short delay. Low latency and high reliability requirements.
  • the at least one second terminal does not send the uplink service on the second resource by using the network device, and preventing the second terminal device from continuing to occupy the second resource, causing the second terminal device and the first terminal device to generate interference and conflict with each other, thereby implementing the first terminal
  • the device and the second terminal device share resources to improve resource utilization.
  • FIG. 1 is a schematic diagram of a resource allocation method in the prior art.
  • FIG. 2 is a schematic diagram of a resource allocation method in the prior art.
  • FIG. 3 is a schematic diagram of a wireless communication scenario of a cellular network according to an embodiment of the present application.
  • FIG. 4 is a schematic flowchart diagram of a resource allocation method according to an embodiment of the present application.
  • FIG. 5 is a schematic flowchart diagram of a resource allocation method according to an embodiment of the present application.
  • FIG. 6 is a schematic diagram of an example of a resource allocation method according to an embodiment of the present application.
  • FIG. 7 is a schematic diagram of an example of a resource allocation method according to an embodiment of the present application.
  • FIG. 8 is a schematic diagram of an example of a resource allocation method according to an embodiment of the present application.
  • FIG. 9 is a schematic diagram of mapping data of a resource allocation method according to an embodiment of the present application.
  • FIG. 10 is a schematic diagram of mapping data of a resource allocation method according to an embodiment of the present application.
  • FIG. 11 is a schematic structural diagram of a network device according to an embodiment of the present application.
  • FIG. 12 is a schematic structural diagram of a network device according to an embodiment of the present disclosure.
  • FIG. 13 is a schematic structural diagram of a second terminal device according to an embodiment of the present disclosure.
  • FIG. 14 is a schematic structural diagram of a second terminal device according to an embodiment of the present disclosure.
  • FIG. 15 is a schematic structural diagram of a wireless communication system according to an embodiment of the present application.
  • the technical solution provided by the embodiment of the present application is applicable to a wireless communication scenario of a cellular network, and the wireless communication scenario of the cellular network shown in FIG. 3 is taken as an example.
  • the scenario includes a network device and at least one terminal device connected to the network device, and the network device.
  • the air interface resource for service transmission is allocated to the terminal device.
  • the network device involved in the embodiment of the present application may be a network device, or an access point, or may refer to a device in the access network that communicates with the wireless terminal device through one or more sectors on the air interface.
  • the network device can be configured to convert the received air frame with an Internet Protocol (IP) packet as a router between the wireless terminal device and the rest of the access network, wherein the rest of the access network can include the Internet. Protocol (IP) network.
  • IP Internet Protocol
  • Network devices can also coordinate attribute management of air interfaces.
  • the network device may be a Global System for Mobile Communications (GSM) or a Code Division Multiple Access (CDMA) network device (BTS, Base Transceiver Station), or may be a bandwidth.
  • GSM Global System for Mobile Communications
  • CDMA Code Division Multiple Access
  • the network device (NodeB) in the code division multiple access (WCDMA) may also be an evolved network device (evolutional Node B, eNB or e-NodeB) in LTE, or may be
  • the base station in the future network such as the base station in the 4.5G or 5G, is not limited in the embodiment of the present application.
  • the terminal device involved in the embodiment of the present application may be a device that provides voice and/or data connectivity to a user, a handheld device with a wireless connection function, or other processing device connected to a wireless modem.
  • the wireless terminal device can communicate with one or more core networks via a Radio Access Network (RAN), which can be a mobile terminal device, such as a mobile phone (or "cellular" phone) and has a mobile
  • RAN Radio Access Network
  • the computers of the terminal devices for example, may be portable, pocket-sized, handheld, computer-integrated or in-vehicle mobile devices that exchange language and/or data with the wireless access network.
  • the wireless terminal device may also be referred to as a system, a Subscriber Unit, a Subscriber Station, a Mobile Station, a Mobile, a Remote Station, and an Access Point. , Remote Terminal, Access Terminal, User Terminal, User Agent, User Device, or User Equipment.
  • the terminal device includes a first terminal device and a second terminal device.
  • the network device allocates resources for the first terminal device to send the uplink service
  • the network device preferably has the current resources. If the resource is not occupied, or the current unoccupied resource is insufficient to support the first terminal device to send the uplink service, the network device can be configured to allocate the uplink service to the first terminal device in time according to the technical solution provided by the embodiment of the present application. Resources.
  • the network device may allocate the resource for the terminal device to send the uplink service by using the resource allocation technology in the prior art.
  • the network device uses the manner of “preempting” the resources of the second terminal device, and allocates resources for the first terminal device to send the uplink service to the first terminal device. That is, the network device may allocate the second resource that has been allocated to the second terminal device as the first resource to the first terminal device, where the first resource is used by the first terminal device to send the uplink service, where the second terminal device may be one or Multiple, the second resource is used by the second terminal device to send an uplink service.
  • the uplink service sent by the first terminal device may be a short-latency service, such as a short-time interval uplink service or an ultra-reliable and low-latency communication (URLLC) service.
  • a short-latency service such as a short-time interval uplink service or an ultra-reliable and low-latency communication (URLLC) service.
  • URLLC ultra-reliable and low-latency communication
  • the delay and reliability requirements of the uplink service sent by the second terminal device may be lower, and the uplink service sent by the second terminal device is a non-short delay service, such as may be short
  • the non-transmission time interval (sTTI) uplink service may also be a mobile broadband (MBB) service.
  • MBB mobile broadband
  • the International Telecommunication Union defines three types of services in terms of 5G expectations and requirements: Enhanced Mobile Broadband (eMBB) communication services, URLLc services and Massive Machines. Type Communications, mMTC).
  • eMBB Enhanced Mobile Broadband
  • URLLc Massive Machines. Type Communications
  • mMTC Massive Machines. Type Communications
  • the delay expected by the URLLc service is very short, and the minimum is only 1 ms. Therefore, for the transmission of the URLLc service data, resources need to be allocated immediately, and cannot wait.
  • the uMTC service also has high reliability requirements for data transmission, and generally requires an ultra-high reliability of 99.999%.
  • the network device needs to allocate the air interface resource for data transmission to the URLLc terminal device in time.
  • An embodiment of the present application provides a resource allocation method, a network device, and a wireless communication system, where the network device allocates resources for the first terminal device to send the short-latency uplink service to the first terminal device in a timely manner.
  • the resource allocation method, the network device, and the system are based on the same application concept. Since the resource allocation method, the network device, and the system solve the problem are similar, the implementation of the network device, the system, and the method can refer to each other, and the repetition is no longer Narration.
  • a resource allocation method provided by an embodiment of the present application includes:
  • the network device notifies the first terminal device, where the first terminal device sends the first resource of the uplink service, where the first resource includes a second resource that the network device has allocated to the at least one second terminal device, and the second resource is used for at least one
  • the second terminal device sends an uplink service
  • the network device allocates, for the first terminal device, the first resource for the first terminal device to send the uplink service, the uplink service sent by the first terminal device may be a short delay service, and the uplink service sent by the second terminal device is a non-short delay.
  • the service, wherein the uplink service may include an uplink service data signal and an uplink control signal.
  • the first terminal device and the second terminal device may be the same terminal device.
  • the uplink service of the first terminal device may include a short transmission time interval uplink service and a non-short transmission time interval uplink service; or, the first terminal device and the first terminal device
  • the two terminal devices are different terminal devices.
  • the uplink service of the first terminal device is different from the uplink service of the second terminal device.
  • the network device may receive a resource request message sent by the first terminal device, where the resource request message is used by the first terminal device to request the network device to allocate the first terminal device for The first terminal device sends the resource of the uplink service, and after receiving the resource request message sent by the first terminal device, the network device may allocate the resource for the first terminal device to send the uplink service, including performing S401.
  • the first resource is a resource allocated by the network device to the first terminal device, and the first resource is used by the first terminal device to send an uplink service.
  • the second resource is a resource that is allocated to the first terminal device by the network device, and the second resource is not used to carry the uplink service of the second terminal device, that is, the second terminal device further The uplink service is not sent on the second resource, and the second terminal device may be one terminal device or multiple terminal devices.
  • the first resource may be all resources or partial resources used by the first terminal device to send uplink services.
  • the first resource is used for the first terminal device to send all the resources of the uplink service, and the resources for the first terminal device to send the uplink service are all from the second resource of the second terminal, that is, the first terminal device sends the uplink.
  • the resources of the business all come from "preemption.”
  • the first resource is a part of the resource used by the first terminal device to send the uplink service, and a part of the resource used by the first terminal device to send the uplink service is the second resource from the second terminal, and is used by the first terminal device.
  • the other resources of the resources that are sent by the uplink service, except for the first resource, may be the idle resources that are not currently occupied.
  • the network device may allocate the idle resources that are not currently occupied by using the prior art. First terminal device.
  • the second resource refers to a resource that is allocated to the second terminal device by the network device, and the second resource may be all resources or some resources allocated by the network device to the second terminal device. .
  • the network device preempts all the resources allocated to the second terminal device and allocates the resources to the first terminal device.
  • the second resource is a part of resources allocated by the network device to the second terminal device
  • the second resource in the resource allocated by the network device to the second terminal device is preempted and then allocated to the first terminal device, and the network device is allocated to the first device.
  • the other resources of the resources of the second terminal device except the second resource may continue to be used for the second terminal device to perform uplink services.
  • the network device in the embodiment of the present application allocates the resources allocated to the uplink service of the non-short transmission time interval to the short transmission time interval uplink service.
  • the network device may reserve the resource reserved for the common data channel transmission by the second terminal device.
  • the second resource, the second selected device may reserve the second terminal device for carrying a Demodulation Reference Signal (DMRS), or a Sounding Reference Signal (SRS), or an uplink control signal,
  • DMRS Demodulation Reference Signal
  • SRS Sounding Reference Signal
  • the resource of the random access signal is selected as the second resource, and the network device preempts the selected second resource and allocates the second resource to the first terminal device.
  • the delay and reliability requirements of the non-short transmission interval uplink service sent by the second terminal device may be lower.
  • the priority and the reliability requirement of different terminal devices may be identified by the priority level. For example, the priority of the first terminal device is higher than the second terminal device, indicating that the first terminal device sends The delay and reliability requirements of the uplink service are higher than the delay and reliability requirements of the first terminal device.
  • the first resource allocated by the network device to the first terminal device may be composed of at least one time domain resource unit, and each time domain resource unit may carry certain information.
  • the time domain resource unit may include one or a combination of the following: a symbol, a time slot, and a subframe.
  • the time domain resource unit herein may not only be various types of time intervals defined in LTE, but also may be a time interval defined in the future 5G (ie, New Radio Access Technology, NR for short). .
  • the first resource allocated by the network device to the first terminal device may also be composed of at least one frequency domain resource unit, where each frequency domain resource unit may carry certain information.
  • the frequency domain resource unit may include one or a combination of: a subcarrier, a subcarrier group, a resource block (RB), and a resource block group.
  • the first terminal device may send the uplink service on the first resource.
  • the network device notifies the at least one second terminal device that the uplink service is not sent on the second resource.
  • the foregoing second resource may be used by another terminal device to send an uplink service.
  • the foregoing second resource may be used by the first terminal device to send an uplink service.
  • the network device after the network device preempts the second resource allocated to the at least one second terminal device, the network device is allocated as the first resource to the first terminal device, and the network device needs to notify the at least one second terminal device that the second resource is not on the second resource.
  • Sending the uplink service so that the at least one second terminal device does not send the second resource after receiving the notification sent by the network device to indicate that the at least one second terminal device does not send the uplink service on the second resource
  • the uplink service is used to ensure that the at least one second terminal device no longer occupies the second resource, and the second terminal device is prevented from occupying the second resource, so that the second terminal device and the first terminal device generate mutual interference and conflict.
  • the uplink service sent by the first terminal may be a short-latency uplink service
  • the uplink service sent by the second terminal device is a non-short-duration uplink service.
  • the first terminal device and the second terminal device may be the same terminal device, or the first terminal device and the second terminal device may be different terminal devices.
  • the network device may send downlink control signaling to the at least one second terminal device, where the downlink control signaling is used to indicate that the at least one second terminal device does not send the uplink service on the second resource.
  • the downlink control signaling may be indication information belonging to different levels, for example, the level indication information may be cell-specific indication information or a user-level (UE-specific) indication.
  • the second terminal device may perform a blind check in the search space corresponding to the level according to the level to which the indication information belongs to receive the indication information.
  • the notification sent by the network device to the terminal device may be on a physical downlink control channel (PDCCH) of the subframe, where the subframe It may be a subframe in which the first resource allocated to the first terminal device is located, or may be a subframe before the subframe in which the first resource is located.
  • PDCCH physical downlink control channel
  • a resource allocation method provided by an embodiment of the present application includes:
  • the second terminal device receives, by the network device, a notification that the second terminal device does not send the uplink service on the second resource.
  • the second resource is a resource that the network device has allocated to the second terminal device, and is used by the second terminal device to send the uplink service.
  • the second terminal device determines that the uplink service is not sent on the second resource.
  • the content of the method embodiment on the second terminal device side can be referred to the content of the method embodiment on the network device side, and details are not described herein again.
  • FIG. 6 is a schematic diagram of resources occupied by at least one second terminal device, each grid represents a resource unit, and each grid may represent a symbol, or a time slot, or a sub-portion in the time domain.
  • a frame each of which may represent one subcarrier or one resource block in the frequency domain.
  • the second resource of the at least one second terminal device preempted by the network device is composed of a time domain resource unit. As shown in FIG. 7, the network device uses the time domain resource of the fifth column of the lattice occupied by the at least one second terminal device. The time domain resource of the 12th column of the grid is selected as the second resource, and the network device allocates the second resource to the first terminal device, where the second resource The source is the first resource allocated by the network device to the first terminal device.
  • the second resource of the at least one second terminal device that is preempted by the network device is composed of a frequency domain resource unit. As shown in FIG. 8 , the network device uses the frequency domain resource of the fifth row of cells occupied by the at least one second terminal device. The frequency domain resource of the 10th row of the grid is selected as the second resource, and the network device allocates the second resource to the first terminal device, where the second resource is the first resource allocated by the network device to the first terminal device.
  • the second resource that has been allocated to the at least one second terminal device is preempted by the network device and then allocated as the first resource to the first terminal device, so that the network device can be the first in time.
  • the terminal device allocates resources for the first terminal to send the uplink service of the short transmission interval, thereby ensuring the low delay and high reliability of the uplink service in the short transmission interval. Notifying that the at least one second terminal does not perform data transmission on the second resource by using the network device, and preventing the second terminal device from continuing to occupy the second resource, causing the second terminal device and the first terminal device to generate interference and conflict with each other, thereby implementing the first terminal
  • the device and the second terminal device share resources to improve resource utilization.
  • the second terminal device may perform discrete Fourier transform on the modulated modulation symbol (Discrete Fourier) Transform, DFT), and then map the symbols obtained by the DFT to the third resource that is not occupied.
  • DFT discrete Fourier transform
  • the second terminal device may perform DFT on the modulated N modulation symbols to obtain N symbols, and then map the M symbols of the N symbols obtained by the DFT to the third resource, where N is an integer greater than or equal to 1, and M is an integer less than N (M may be 0). And for the other NM symbols of the N symbols obtained by the DFT, the second terminal device may not map the NM symbols to the third resource, where the third resource is a resource used by the second terminal to send the uplink service, where The three resources do not include the second resource that is occupied. It should be understood that the third resource herein may be all or part of resources except for the second resource that is originally allocated to the second terminal device. In addition, before mapping the M symbols obtained by the DFT to the third resource, the second terminal device may perform other processing on the symbols obtained by the DFT, for example, performing precoding processing, and then mapping the symbols obtained by the DFT to the third symbol. Resources.
  • the second terminal device may select after the DFT.
  • Data puncturing is performed, that is, the number of input points of the DFT is kept unchanged, and the symbols output by the DFT cannot be mapped to resources occupied by other terminal devices, such as time-frequency resources.
  • the second terminal device may encode, interleave, and modulate the uplink data to obtain a modulation symbol, and then perform DFT on all the modulation symbols to obtain a DFT-processed symbol, and then select a part. a symbol, and mapping the partial symbol to an unoccupied resource, and then performing an inverse discrete Fourier Transform (IDFT) on the symbol mapped to the unoccupied resource to send the uplink data to Internet equipment.
  • IDFT inverse discrete Fourier Transform
  • the partial symbol may be a symbol corresponding to the third resource, that is, the partial symbol is a symbol that is mapped to the third resource according to the mapping relationship between the symbol and the resource obtained by the DFT. That is to say, after the DFT, the terminal device may first determine a partial symbol corresponding to the third resource according to the mapping relationship between the symbol and the resource obtained by the DFT, and then map the partial symbol to the third resource.
  • the second terminal device can map the data to the third resource that is not occupied, by mapping the partial symbol obtained by the DFT to the resource that is not occupied by the other terminal device, so that the second resource is occupied by the other terminal device, thereby It is avoided that the transmission of the uplink data of the terminal device is affected because the second resource cannot map the data.
  • the M of the N modulation symbols obtained by the modulation may be first The modulation symbols are DFT, and M symbols are obtained, and then the M symbols obtained by the DFT are mapped to the third resource, where N is an integer greater than or equal to 1, and M is an integer less than N (M may be 0) .
  • the second terminal device may not perform DFT on the NM modulation symbols in the N modulation symbols, where the NM modulation symbols are corresponding to the first resource after the DFT is performed.
  • the modulation symbol, the third resource is a resource used by the second terminal to send an uplink service, and the third resource does not include the second resource that is occupied. That is, if the second resource is not occupied, then when the data is mapped, the symbols obtained by DFT the N-M modulation symbols are mapped to the second resource. It should be understood that before mapping the M symbols obtained by the DFT to the third resource, the DFT-derived symbols may be subjected to other processing, for example, performing pre-encoding processing, and then mapping the DFT-derived symbols to the third resource.
  • the second terminal device may select the DFT before the DFT.
  • Data puncturing is performed, that is, the number of input points of the DFT is changed, and the symbols output by the DFT cannot be mapped to resources occupied by other terminal devices, such as time-frequency resources.
  • the second terminal device may encode, interleave, and modulate the uplink data to obtain a modulation symbol, and then select a partial modulation symbol from all the modulation symbols to perform DFT, and obtain DFT processing. The symbol is then mapped to the unoccupied resource by the DFT-derived symbol. Next, the symbol mapped to the unoccupied resource is IDFTed to transmit the uplink data to the network device.
  • the partial modulation symbol may be a modulation symbol corresponding to the second resource, that is, the partial modulation symbol is a modulation symbol that is to be mapped to the second resource according to a mapping relationship between the modulation symbol and the resource. That is to say, before the DFT, the second terminal device may first determine a partial modulation symbol corresponding to the second resource according to the mapping relationship between the modulation symbol and the resource, and then perform DFT on the part of the modulation symbol, and map all the obtained symbols. Go to the second resource.
  • the foregoing second resource may be composed of at least one time domain resource unit, and each time domain resource unit may carry certain information.
  • the time domain resource unit may include one or a combination of the following: a symbol, a time slot, and a subframe.
  • the time domain resource unit herein may not only be various types of time intervals defined in LTE, but also may be a time interval defined in the future 5G (ie, New Radio Access Technology, NR for short). .
  • the foregoing second resource may also be composed of at least one frequency domain resource unit, where each frequency domain resource unit may carry certain information.
  • the frequency domain resource unit may include one or a combination of: a subcarrier, a subcarrier group, a resource block (RB), and a resource block group.
  • FIG. 11 is a network device according to an embodiment of the present disclosure.
  • the network device may adopt the method provided in the embodiment corresponding to FIG. 4 .
  • the network device 900 includes a processing unit 901 and a transmitting unit 902.
  • the processing unit 901 is configured to notify, by the sending unit 902, that the first terminal device is used by the first terminal device to send the first resource of the uplink service, where the first resource includes a second resource that the network device has allocated to the at least one second terminal device, where The second resource is used by the at least one second terminal device to send the uplink service; and the sending unit 902 notifies the at least one second terminal device that the uplink service is not sent on the second resource.
  • the first resource is composed of at least one time domain resource unit, or the first resource is configured by at least one frequency domain.
  • Source unit composition is
  • the time domain resource unit includes one or a combination of the following: a symbol, a time slot, and a subframe.
  • the frequency domain resource unit includes one or a combination of the following: a subcarrier, a subcarrier group, a resource block, and a resource block group.
  • the processing unit 901 is specifically configured to:
  • the processing unit 901 sends the downlink control signaling to the at least one second terminal device by using the sending unit 902, where the downlink control signaling is used to indicate that the at least one second terminal device does not send the uplink service on the second resource.
  • the uplink service sent by the first terminal device is a short-latency uplink service
  • the uplink service sent by the at least one second terminal device is a non-short-duration uplink service.
  • the first terminal device and the second terminal device are the same terminal device, or the first terminal device and the second terminal device are different terminal devices.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
  • a computer readable storage medium A number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) or a processor to perform all or part of the steps of the methods described in various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes. .
  • the embodiment of the present application further provides a network device, which may adopt the method provided by the embodiment corresponding to FIG. 4, and may be the same device as the network device shown in FIG.
  • the network device 1000 includes a processor 1001, a transmitter 1002, a bus 1003, and a memory 1004, where:
  • the processor 1001, the transmitter 1002, and the memory 1004 are connected to each other through a bus 1003.
  • the bus 1003 may be a peripheral component interconnect (PCI) bus or an extended industry standard architecture (EISA) bus.
  • PCI peripheral component interconnect
  • EISA extended industry standard architecture
  • the bus can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is shown in Figure 12, but it does not mean that there is only one bus or one type of bus.
  • the processor 1001 in FIG. 12 corresponds to the processing unit 901 in FIG. 11, and the transmitter 1002 in FIG. 12 corresponds to the transmitting unit 902 in FIG.
  • the terminal device 1000 further includes a memory 1004 for storing programs and the like.
  • the program can include program code, the program code including computer operating instructions.
  • the memory 1004 may include a random access memory (RAM), and may also include a non-volatile memory such as at least one disk storage.
  • the processor 1001 executes an application stored in the memory 1004 to implement the above resource allocation method.
  • FIG. 13 is a terminal device according to an embodiment of the present disclosure, and the terminal device may adopt the method provided by the embodiment corresponding to FIG. 5.
  • the terminal device 1100 includes a receiving unit 1101 and a processing unit 1102.
  • the receiving unit 1101 is configured to receive, by the network device, a notification for indicating that the terminal device does not send the uplink service on the second resource;
  • the second resource is a resource that the network device has allocated to the terminal device, and is used by the terminal device to send the uplink service.
  • the processing unit 1102 is configured to determine, according to the notification received by the receiving unit 1101, that the terminal device 1100 does not send an uplink service on the second resource.
  • the receiving unit 1101 is specifically configured to:
  • the processing unit 1102 is configured to perform DFT on the modulated N modulation symbols to obtain N symbols, where N is an integer greater than or equal to 1; mapping M symbols in the N symbols obtained by the DFT to And the third resource, where the third resource is used by the terminal device to send an uplink service, the third resource does not include the second resource, and M is an integer less than N.
  • the processing unit 1102 is configured to: perform DFT on the M modulation symbols of the N modulation symbols obtained by the modulation, to obtain M symbols, where N is an integer greater than or equal to 1, and M is an integer less than N;
  • the M symbols obtained by the DFT are mapped to the third resource, where the third resource is used by the terminal device to send an uplink service, and the third resource does not include the second resource.
  • the second resource is not used to carry N-M symbols in the N symbols.
  • N-M symbols of the N symbols are not mapped.
  • N-M modulation symbols of the N modulation symbols are not DFT.
  • the second resource is composed of at least one time domain resource unit, or the second resource is composed of at least one frequency domain resource unit.
  • the time domain resource unit includes one or a combination of the following: a symbol, a time slot, and a subframe.
  • the frequency domain resource unit includes one or a combination of the following: a subcarrier, a subcarrier group, a resource block, and a resource block group.
  • the uplink service sent by the terminal device 1100 is a non-short delay uplink service.
  • the embodiment of the present application further provides a terminal device, which may adopt the method provided by the embodiment corresponding to FIG. 5, and may be the same device as the terminal device shown in FIG.
  • the terminal device 1200 includes a receiver 1201 and a processor 1202, a bus 1203, and a memory 1204, where:
  • the receiver 1201 and the processor 1202 and the memory 1204 are connected to each other through a bus 1203; the bus 1203 may be a PCI bus or an EISA bus or the like.
  • the bus can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is shown in Figure 14, but it does not mean that there is only one bus or one type of bus.
  • the receiver 1201 in FIG. 14 corresponds to the receiving unit 1101 in FIG. 13, and the processor 1202 in FIG. 14 corresponds to the processing unit 1102 in FIG.
  • the terminal device 1200 also includes a memory 1204 for storing programs and the like.
  • the program can include program code, the program code including computer operating instructions.
  • the memory 1204 may include RAM and may also include non-volatile memory, such as at least one disk storage.
  • the processor 1202 executes the application stored in the memory 1204 to implement the resource allocation method as described above.
  • the wireless communication system 1300 includes: a network device 1301, a first terminal device 1302, and at least one second terminal device 1303. among them,
  • the network device 1301 is configured to notify the first terminal device 1302 that the first terminal device 1302 sends the first resource of the uplink service, where the first resource includes the second resource that the network device 1101 has allocated to the at least one second terminal device 1303.
  • the second resource is used by the at least one second terminal device 1303 to send an uplink service; and the at least one second terminal device 1303 is notified that the uplink service is not sent on the second resource;
  • the first terminal device 1302 is configured to receive, by the network device 1301, a notification for instructing the first terminal device 1302 to send the first resource of the uplink service;
  • the at least one second terminal device 1303 is configured to receive, by the network device 1301, a notification for indicating that the at least one second terminal device 1303 does not send the uplink service on the second resource.
  • the first terminal device 1302 is further configured to:
  • the uplink service is sent on the first resource according to the notification sent by the received network device 1301.
  • the at least one second terminal device 1303 is further configured to:
  • the uplink service is not sent on the second resource.
  • the uplink service sent by the first terminal device 1302 is a short-latency uplink service
  • the uplink service sent by the at least one second terminal device 1303 is a non-short-duration uplink service.
  • the first resource is composed of at least one time domain resource unit, or the first resource is composed of at least one frequency domain resource unit.
  • the time domain resource unit includes one or a combination of the following: a symbol, a time slot, and a subframe.
  • the frequency domain resource unit includes one or a combination of the following: a subcarrier, a subcarrier group, a resource block, and a resource block group.
  • the network device 1301 when the network device 1301 notifies the at least one second terminal device 1303 not to send the uplink service on the second resource, the network device 1301 is specifically configured to:
  • the downlink control signaling is sent to the at least one second terminal device 1303, and the downlink control signaling is used to indicate that the at least one second terminal device 1303 does not send the uplink service on the second resource.
  • the uplink service sent by the first terminal device 1302 is a short-latency uplink service
  • the uplink service sent by the at least one second terminal device 1103 is a non-short-duration uplink service.
  • the first terminal device 1302 and the second terminal device 1303 are the same terminal device, or the first terminal device 1302 and the second terminal device 1303 are different terminal devices.
  • the second resource that has been allocated to the at least one second terminal device is preempted by the network device and then allocated as the first resource to the first terminal device, so that the network device can be the first in time.
  • the terminal device allocates resources for the first terminal to send the uplink service of the short transmission interval, thereby ensuring the low delay and high reliability of the uplink service in the short transmission interval. Notifying that the at least one second terminal does not perform data transmission on the second resource by using the network device, and preventing the second terminal device from continuing to occupy the second resource, causing the second terminal device and the first terminal device to generate interference and conflict with each other, thereby implementing the first terminal
  • the device and the second terminal device share resources to improve resource utilization.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
  • the technical solution of the present application which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes. .

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Abstract

本申请提供一种资源分配方法、网络设备及终端设备，用以实现网络设备及时地为第一终端设备分配用于该第一终端设备发送短发送短时延上行业务的资源。该方法包括：网络设备通知第一终端设备用于第一终端设备发送上行业务的第一资源，第一资源包括网络设备已分配给至少一个第二终端设备的第二资源，第二资源用于至少一个第二终端设备发送上行业务；网络设备通知至少一个第二终端设备在第二资源上不发送上行业务。本申请实施例中，通过网络设备通知至少一个第二终端在第二资源上不发送上行业务，避免第二终端设备继续占用第二资源导致第二终端设备与第一终端设备互相产生干扰和冲突，进而实现第一终端设备和第二终端设备共享资源，提高资源利用率。

Description

一种资源分配方法、网络设备及终端设备
本申请要求于2016年6月16日提交中国专利局、申请号为201610437227.1，发明名称为“一种资源分配方法、网络设备及终端设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及无线通信领域，尤其涉及一种资源分配方法、网络设备及终端设备。
背景技术
目前，短发送时间间隔(short Transmission Time Interval，sTTI)上行业务要求从终端设备有发送该上行业务的需求到终端设备实际发送该上行业务之间的时间间隔很短，即短发送时间间隔上行业务具有低时延和高可靠性的特性。因此网络设备需要及时地为短发送时间间隔上行业务的发送分配足够的资源，以满足短发送时间间隔上行业务的低时延和高可靠性的特性。具体短发送时间间隔的具体时间间隔，可以依据系统要求或标准定义确定。
网络设备为终端设备分配用于该终端设备发送短发送时间间隔上行业务的资源时，若当前资源均已被占用，或者当前未被占用的资源不足以支撑终端设备发送短发送时间间隔上行业务，则网络设备不能够及时地为该终端设备分配用于发送短发送时间间隔上行业务的资源。如图1所述，需要等到有足够多的空闲资源分配给终端设备时，该终端设备才能够发送短发送时间间隔上行业务，因此导致终端设备发送短发送时间间隔上行业务的时延较长，违背了短发送时间间隔上行业务的低时延和高可靠性的特性。
为了保证网络设备能够及时地为终端设备分配用于该终端设备发送短发送时间间隔上行业务的资源，可以采用预留带宽资源的方案。如图2所示，网络设备分别为短发送时间间隔上行业务和其他上行业务预留用于业务传输的带宽资源。但是，由于短发送时间间隔上行业务的数据传输是突发性的，传输的数据包一般较小，网络设备为短发送时间间隔上行业务预留带宽资源容易导致资源浪费，采用预留带宽资源的方案资源利用率较低。
发明内容
本申请实施例提供了一种资源分配方法、网络设备及终端设备，用以实现网络设备及时地为第一终端设备分配用于该第一终端设备发送短时延上行业务的资源。
短发送时间间隔(short Transmission Time Interval，sTTI)业务为具有短时延和高可靠性的特性。
以第五代网络(5th Generation，5G)中定义的超可靠超低时延通信(Ultra-reliable and Low Latency Communications，URLLC)业务为例，URLLC业务也具有短时延(也可以称为低时延)和高可靠性的特性。在本申请实施例中，具有短时延和高可靠性的特性的业务，统称为短时延业务，其可以为sTTI业务，也可以为URLLC业务，还可以为uMTC(Ultra-reliable Machine Type Communication)业务，还可以为其他类型的业务，在此不予限定。相应的，不具有短时延和高可靠性的特性的业务，统称为非短时延业务，其可 以为非sTTI业务，也可以为MBB业务，还可以为其他类型的业务，在此不予限定。具体的短时延和高可靠性的特性的定义可以参考系统的要求或标准中的定义。
第一方面，本申请实施例提供一种资源分配方法，包括：
网络设备通知第一终端设备用于所述第一终端设备发送上行业务的第一资源，所述第一资源包括所述网络设备已分配给至少一个第二终端设备的第二资源，所述第二资源用于所述至少一个第二终端设备发送上行业务；
所述网络设备通知所述至少一个第二终端设备在所述第二资源上不发送上行业务。
这样，通过网络设备通知第一终端设备用于所述第一终端设备发送上行业务的第一资源，可以实现网络设备及时地为第一终端设备分配用于该第一终端设备发送上行业务的资源，通过网络设备通知至少一个第二终端在第二资源上不发送上行业务，避免第二终端设备继续占用第二资源导致第二终端设备与第一终端设备互相产生干扰和冲突，进而实现第一终端设备和第二终端设备共享资源，提高资源利用率。
在一种可能的设计中，所述第一资源由至少一个时域资源单元组成，进一步的，所述时域资源单元包括以下之一或组合：符号、时隙、子帧。
或者所述第一资源由至少一个频域资源单元组成，进一步的，所述频域资源单元包括以下之一或组合：子载波、子载波组、资源块、资源块组。
在一种可能的设计中，所述网络设备通知所述至少一个第二终端设备在所述第二资源上不发送上行业务的方法包括：
所述网络设备向所述至少一个第二终端设备发送下行控制信令，所述下行控制信令用于指示所述至少一个第二终端设备在所述第二资源上不发送上行业务。
在一种可能的设计中，所述第一终端设备发送的上行业务是短时延上行业务，所述至少一个第二终端设备发送的上行业务是非短时延上行业务。
这样，可以实现网络设备及时地为第一终端设备分配用于该第一终端设备发送短时延上行业务的资源，进而保证短时延上行业务的低时延和高可靠性的需求。
在一种可能的设计中，所述第一终端设备与所述第二终端设备是同一终端设备，或者，所述第一终端设备与所述第二终端设备是不同的终端设备。
第二方面，本申请实施例提供的一种资源分配方法，包括：
第二终端设备接收网络设备发送的用于指示所述第二终端设备在第二资源上不发送上行业务的通知；
其中，所述第二资源是所述网络设备已分配给所述第二终端设备的，用于所述第二终端设备发送上行业务的资源；
所述第二终端设备确定在所述第二资源上不发送上行业务。
在一种可能的设计中，第二终端设备接收网络设备发送的用于指示所述第二终端设备在第二资源上不发送上行业务的通知的方法包括：
所述第二终端设备接收所述网络设备发送的下行控制信令，所述下行控制信令用于指示所述第二终端设备在所述第二资源上不发送上行业务。
在一种可能的设计中，所述方法还包括：所述第二终端设备对调制得到的N个调制符号进行离散傅立叶变换DFT，得到N个符号，其中，N为大于等于1的整数；所述第二终端设备将DFT得到的N个符号中的M个符号映射到第三资源，其中，所述第三资源用于所述第二终端设备发送上行业务，所述第三资源不包括所述第二资源。
在一种可能的设计中，所述方法还包括：所述第二终端设备对调制得到的N个调制符号中的M个调制符号进行离散傅立叶变换DFT，得到M个符号，其中，N为大于等于1的整数，M为小于N的整数；所述第二终端设备将DFT得到的M个符号映射到第三资源，其中，所述第三资源用于所述第二终端设备发送上行业务，所述第三资源不包括所述第二资源。
在一种可能的设计中，所述第二资源不用于承载所述N个符号中的N-M个符号。
在一种可能的设计中，所述N个符号中的N-M个符号不被映射。
在一种可能的设计中，所述N个调制符号中的N-M个调制符号不被DFT。
在一种可能的设计中，所述第二资源由至少一个时域资源单元组成，进一步的，所述时域资源单元包括以下之一或组合：符号、时隙、子帧。
或者所述第二资源由至少一个频域资源单元组成，进一步的，所述频域资源单元包括以下之一或组合：子载波、子载波组、资源块、资源块组。
在一种可能的设计中，所述第二资源用于第一终端设备发送上行业务。
在一种可能的设计中，所述第一终端设备发送的上行业务是短时延上行业务，所述第二终端设备发送的上行业务是非短时延上行业务。
在一种可能的设计中，所述第一终端设备与所述第二终端设备是同一终端设备，或者，所述第一终端设备与所述第二终端设备是不同的终端设备。
第三方面，本申请实施例提供了一种网络设备，该网络设备具有实现上述方法设计中网络设备行为的功能。所述功能可以通过硬件实现，也可以通过硬件执行相应的软件实现。所述硬件或软件包括一个或多个与上述功能相对应的模块。所述模块可以是软件和/或硬件。
在一个可能的设计中，所述网络设备的结构中包括处理单元和发送单元，所述处理单元用于通过所述发送单元向第一终端设备和第二终端设备发送上述方法中涉及的通知消息。所述发送单元用于与终端设备(包括所述第一终端设备和所述第二终端设备)之间的通信。
在一个可能的设计中，所述网络设备的结构中包括处理器和发射器，所述处理器用于通过所述发射器向第一终端设备和第二终端设备发送上述方法中涉及的通知消息。所述发射器被设置为支持所述网络设备与终端设备(所述第一终端设备和所述第二终端设备)之间的通信。所述网络设备还可以包括存储器，所述存储器用于与处理器耦合，其保存终端设备必要的程序指令和数据。
第四方面，本申请实施例提供了一种终端设备，该终端设备具有实现上述方法设计中终端设备行为的功能。所述功能可以通过硬件实现，也可以通过硬件执行相应的软件实现。所述硬件或软件包括一个或多个与上述功能相对应的模块。所述模块可以是软件和/或硬件。
在一个可能的设计中，所述终端设备的结构中包括接收单元和处理单元，所述接收单元用于接收上述方法中网络设备发送的通知，所述处理单元用于根据所述接收单元接收的通知确定终端设备不在第二资源上发送上行业务。
在一个可能的设计中，所述终端设备的结构中包括接收器和处理器，所述接收器被设置为支持所述终端设备与所述网络设备之间的通信，所述处理器用于根据所述接收器接收的通知确定终端设备不在第二资源上发送上行业务。所述终端设备还可以包括存储 器，所述存储器用于与处理器耦合，其保存终端设备必要的程序指令和数据。
第五方面，本申请实施例提供了一种装置，该装置包括：存储器，用于存储程序；处理器，用于执行所述存储器中存储的程序，以执行第一方面以及第一方面各种可能的设计中的方法。可选的，该装置可以为芯片，如可设置于网络设备中的芯片，该装置也可以为网络设备。
第六方面，本申请实施例提供了一种装置，该装置包括：存储器，用于存储程序；处理器，用于执行所述存储器中存储的程序，以执行第二方面以及第二方面各种可能的设计中的方法。可选的，该装置可以为芯片，如可设置于终端设备中的芯片，该装置也可以为终端设备。
第七方面，本申请实施例提供了一种计算机可读存储介质，所述计算机可读存储介质中存储有指令，当其在网络设备上运行时，使得所述网络设备执行第一方面以及第一方面各种可能的设计中的方法。
第八方面，本申请实施例提供了一种计算机可读存储介质，所述计算机可读存储介质中存储有指令，当其在终端设备上运行时，使得所述终端设备执行第二方面以及第二方面各种可能的设计中的方法。
本申请实施例提供的上述技术方案中，通过网络设备将已分配给至少一个第二终端设备的第二资源抢占后作为第一资源分配给第一终端设备，该第一资源用于第一终端设备发送上行业务，该上行业务可以是短发送时间间隔上行业务，可以实现网络设备及时地为第一终端设备分配用于该第一终端设备发送短时延上行业务的资源，进而保证短时延的低时延和高可靠性的需求。通过网络设备通知至少一个第二终端在第二资源上不发送上行业务，避免第二终端设备继续占用第二资源导致第二终端设备与第一终端设备互相产生干扰和冲突，进而实现第一终端设备和第二终端设备共享资源，提高资源利用率。
附图说明
图1为现有技术中一种资源分配方法的示意图。
图2为现有技术中一种资源分配方法的示意图。
图3为本申请实施例提供的蜂窝网无线通信场景示意图。
图4为本申请实施例提供的一种资源分配方法的流程示意图。
图5为本申请实施例提供的一种资源分配方法的流程示意图。
图6为本申请实施例提供的资源分配方法举例示意图。
图7为本申请实施例提供的资源分配方法举例示意图。
图8为本申请实施例提供的资源分配方法举例示意图。
图9是本申请实施例提供的资源分配方法的映射数据的示意图。
图10是本申请实施例提供的资源分配方法的映射数据的示意图。
图11为本申请实施例提供的一种网络设备结构示意图。
图12为本申请实施例提供的一种网络设备结构示意图。
图13为本申请实施例提供的一种第二终端设备结构示意图。
图14为本申请实施例提供的一种第二终端设备结构示意图。
图15为本申请实施例提供的一种无线通信系统结构示意图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行描述。
本申请实施例提供的技术方案适用于蜂窝网无线通信场景，以图3所示的蜂窝网无线通信场景为例，该场景中包括网络设备和与该网络设备连接的至少一个终端设备，网络设备为终端设备分配用于业务传输的空口资源。
本申请实施例所涉及的网络设备，可以是网络设备，或者接入点，或者可以是指接入网中在空中接口上通过一个或多个扇区与无线终端设备通信的设备。网络设备可用于将收到的空中帧与网际协议(Internet Protocol，IP)分组进行相互转换，作为无线终端设备与接入网的其余部分之间的路由器，其中接入网的其余部分可包括网际协议(IP)网络。网络设备还可协调对空中接口的属性管理。例如，网络设备可以是全球移动通信系统(Global System for Mobile Communications，GSM)或码分多址接入(Code Division Multiple Access，CDMA)中的网络设备(BTS，Base Transceiver Station)，也可以是带宽码分多址接入(Wide-band Code Division Multiple Access，WCDMA)中的网络设备(NodeB)，还可以是LTE中的演进型网络设备(evolutional Node B，eNB或e-NodeB)，还可以是未来网络中的基站，如4.5G或5G中基站，本申请实施例中并不限定。
本申请实施例涉及的终端设备，可以是指向用户提供语音和/或数据连通性的设备，具有无线连接功能的手持式设备、或连接到无线调制解调器的其他处理设备。无线终端设备可以经无线接入网(Radio Access Network，RAN)与一个或多个核心网进行通信，无线终端设备可以是移动终端设备，如移动电话(或称为“蜂窝”电话)和具有移动终端设备的计算机，例如，可以是便携式、袖珍式、手持式、计算机内置的或者车载的移动装置，它们与无线接入网交换语言和/或数据。例如，个人通信业务(Personal Communication Service，PCS)电话、无绳电话、会话发起协议(Session Initiated Protocol，SIP)话机、无线本地环路(Wireless Local Loop，WLL)站、个人数字助理(Personal Digital Assistant，PDA)等设备。无线终端设备也可以称为系统、订户单元(Subscriber Unit)、订户站(Subscriber Station)，移动站(Mobile Station)、移动台(Mobile)、远程站(Remote Station)、接入点(Access Point)、远程终端设备(Remote Terminal)、接入终端设备(Access Terminal)、用户终端设备(User Terminal)、用户代理(User Agent)、用户设备(User Device)、或用户装备(User Equipment)。
本申请实施例涉及的终端设备包括第一终端设备和第二终端设备，网络设备为第一终端设备分配用于该第一终端设备发送上行业务的资源时，较佳地，若当前资源均已被占用，或者当前未被占用的资源不足以支撑第一终端设备发送上行业务，则可以通过本申请实施例提供的技术方案，实现网络设备及时地为第一终端设备分配用于发送上行业务的资源。较佳地，若当前未被占用的资源足以支撑第一终端设备发送上行业务，则网络设备可以采用现有技术中资源分配技术为第一终端设备分配用于该终端设备发送上行业务的资源。
基于上述应用场景，本申请实施例提供的技术方案中，网络设备采用“抢占”第二终端设备的资源的方式，为第一终端设备分配用于该第一终端设备发送上行业务的资源。即网络设备可以将已分配给第二终端设备的第二资源作为第一资源分配给第一终端设备，第一资源用于第一终端设备发送上行业务，其中，第二终端设备可以为一个或者多个，第二资源用于第二终端设备发送上行业务。
第一终端设备发送的上行业务可以是短时延业务，如可以是短发送时间间隔上行业务，也可以是超可靠超低时延通信(Ultra-reliable and Low Latency Communications，URLLC)业务。相比于第一终端设备发送的上行业务，第二终端设备发送的上行业务的时延和可靠性要求可以较低，第二终端设备发送的上行业务为非短时延业务，如可以是非短发送时间间隔(non short Transmission Time Interval，sTTI)上行业务，也可以是移动宽带(Mobile Broadband，MBB)业务。
国际电信联盟(International Telecommunication Union，ITU)在对5G的期望和要求中定义了三大类业务，分别为增强移动宽带(enhanced Mobile Broadband，eMBB)通信业务，URLLc业务和大规模机器通信(Massive Machine Type Communications，mMTC)。其中，由于URLLc业务期望的时延非常短，最低仅有1ms，因此对于URLLc业务数据的传输需要立即分配资源，不能等待。uMTC业务对数据传输时的可靠性的要求也很高，一般要求能够达到99.999％的超高可靠性。为保证URLLc终端设备突发数据传输满足低时延和高可靠性的要求，网络设备需要及时地为URLLc终端设备分配用于进行数据传输的空口资源。
本申请实施例提供一种资源分配方法、网络设备及无线通信系统，用以实现网络设备及时地为第一终端设备分配用于该第一终端设备发送短时延上行业务的资源。其中，资源分配方法、网络设备及系统是基于同一申请构思的，由于资源分配方法、网络设备及系统解决问题的原理相似，因此网络设备、系统与方法的实施可以相互参见，重复之处不再赘述。
在网络设备侧，如图4所示，本申请实施例提供的一种资源分配方法，包括：
S401、网络设备通知第一终端设备用于第一终端设备发送上行业务的第一资源，第一资源包括网络设备已分配给至少一个第二终端设备的第二资源，第二资源用于至少一个第二终端设备发送上行业务；
网络设备为第一终端设备分配用于该第一终端设备发送上行业务的第一资源，第一终端设备发送的上行业务可以是短时延业务，第二终端设备发送的上行业务是非短时延业务，其中上行业务可以包括上行业务数据信号和上行控制信号。
第一终端设备与第二终端设备可以是同一终端设备，此时说明第一终端设备的上行业务可以包括短发送时间间隔上行业务和非短发送时间间隔上行业务；或者，第一终端设备与第二终端设备是不同的终端设备，此时说明第一终端设备的上行业务与第二终端设备的上行业务不同。
当第一终端设备有发送上行业务的需求时，网络设备可以收到来自第一终端设备发送的资源请求消息，该资源请求消息用于第一终端设备请求网络设备为第一终端设备分配用于该第一终端设备发送上行业务的资源，网络设备接收到第一终端设备发送的资源请求消息后，可以为第一终端设备分配用于该第一终端设备发送上行业务的资源，包括执行S401。
其中，第一资源是指网络设备分配给第一终端设备的资源，第一资源用于第一终端设备发送上行业务。第二资源是指网络设备已分配给第二终端设备的资源中被抢占分配给第一终端设备的资源，该第二资源尚未用于承载第二终端设备的上行业务，即第二终端设备还没有在第二资源上发送上行业务，第二终端设备可以为一个终端设备或者多个终端设备。
需要说明的是，第一资源可以是用于第一终端设备发送上行业务的全部资源或者部分资源。例如，第一资源是用于第一终端设备发送上行业务的全部资源，用于第一终端设备发送上行业务的资源全部来自于第二终端的第二资源，即用于第一终端设备发送上行业务的资源全部来自于“抢占”。又例如，第一资源是用于第一终端设备发送上行业务的部分资源，用于第一终端设备发送上行业务的资源中的一部分来自于第二终端的第二资源，用于第一终端设备发送上行业务的资源中除第一资源之外的其他部分资源，可以是当前未被占用的空闲资源，本申请实施例中，网络设备可以采用现有技术将当前未被占用的空闲资源分配给第一终端设备。
同理，第二资源是指网络设备已分配给第二终端设备的资源中被抢占分配给第一终端设备的资源，第二资源可以是网络设备分配给第二终端设备的全部资源或者部分资源。例如，第二资源是网络设备分配给第二终端设备的全部资源时，网络设备将分配给第二终端设备的全部资源抢占后分配给第一终端设备。又例如，第二资源是网络设备分配给第二终端设备的部分资源时，那么网络设备分配给第二终端设备的资源中第二资源被抢占后分配给第一终端设备，网络设备分配给第二终端设备的资源中除第二资源之外的其他部分资源可以继续用于第二终端设备进行上行业务。
第一终端设备与第二终端设备是同一设备时，本申请实施例中网络设备将已分配给非短发送时间间隔上行业务的资源抢占后分配给短发送时间间隔上行业务。
例如，对于网络设备已分配给第二终端设备的资源，即已被第二终端设备占用的资源中，优选的，网络设备可以将第二终端设备预留用于普通数据信道传输的资源选作第二资源，次选的，网络设备可以将第二终端设备预留用于承载解调参考信号(Demodulation Reference Signal，DMRS)、或者探测参考信号(Sounding Reference Signal，SRS)、或者上行控制信号、或者随机接入信号的资源选作第二资源，网络设备抢占选择的第二资源后分配给第一终端设备。
相比于第一终端设备发送的短发送时间间隔上行业务，第二终端设备发送的非短发送时间间隔上行业务的时延和可靠性要求可以较低。可选的，本实施例中可以通过优先级的高低来标识不同终端设备的时延和可靠性要求的高低，例如第一终端设备的优先级高于第二终端设备，表示第一终端设备发送的上行业务的时延和可靠性要求高于第一终端设备的时延和可靠性要求。
可选的，网络设备分配给第一终端设备的第一资源可以由至少一个时域资源单元组成，每个时域资源单元可以承载一定信息。例如，第一资源由至少一个时域资源单元组成时，时域资源单元可以包括以下之一或组合：符号(symbol)、时隙、子帧(subframe)。应理解，这里的时域资源单元不仅可以是LTE中定义的各种类型的时间间隔，还可以是未来5G(即新的无线接入技术，New Radio Access Technology，简称NR)中定义的时间间隔。
可选的，网络设备分配给第一终端设备的第一资源也可以由至少一个频域资源单元组成，每个频域资源单元可以承载一定信息。例如，第一资源由至少一个频域资源单元组成时，频域资源单元可以包括以下之一或组合：子载波(subcarrier)、子载波组、资源块(Resource Block，RB)、资源块组。
本实施例中，第一终端设备接收到所述网络设备发送的用于指示该第一终端设备发送上行业务的第一资源的通知后，可以在该第一资源上发送上行业务。
S402、网络设备通知至少一个第二终端设备在第二资源上不发送上行业务。
可选地，上述第二资源可以用于其它的终端设备发送上行业务，例如，上述第二资源可以用于第一终端设备发送上行业务。
具体来说，网络设备将分配给至少一个第二终端设备的第二资源抢占后，作为第一资源分配给第一终端设备，网络设备需要通知该至少一个第二终端设备在第二资源上不发送上行业务，使得该至少一个第二终端设备在接收到网络设备发送的用于指示该至少一个第二终端设备在第二资源上不发送上行业务的通知后，不会在第二资源上发送上行业务，以确保该至少一个第二终端设备不再占用第二资源，避免第二终端设备继续占用第二资源导致第二终端设备与第一终端设备产生相互干扰和冲突。
可选地，上述第一终端发送的上行业务可以是短时延上行业务，上述第二终端设备发送的上行业务是非短时延上行业务。
可选地，上述第一终端设备与所述第二终端设备可以是同一终端设备，或者，上述第一终端设备与上述第二终端设备可以是不同的终端设备。
可选的，网络设备可以向至少一个第二终端设备发送下行控制信令，下行控制信令用于指示至少一个第二终端设备在第二资源上不发送上行业务。进一步的，该下行控制信令可以是属于不同级别的指示信息，例如，该级别指示信息可以是小区-级别(cell-specific)的指示信息，或者是用户设备-级别(UE-specific)的指示信息；第二终端设备根据指示信息所属的级别，可以在该级别对应的搜索空间中进行盲检，以接收该指示信息。
本申请实施例中，网络设备向终端设备(包括第一终端设备和/或第二终端设备)发送的通知可以在子帧的物理下行控制信道(Physical Downlink Control Channel，PDCCH)上，该子帧可以是分配给第一终端设备的第一资源所在的子帧，也可以是第一资源所在子帧之前的子帧。
上文结合图4，从网络设备侧对本申请实施例提供的资源分配方法进行详细的介绍，下面从终端设备侧对本申请实施例提供的资源分配方法进行介绍，在第二终端设备侧，如图5所示，本申请实施例提供的一种资源分配方法，包括：
S501、第二终端设备接收网络设备发送的用于指示第二终端设备在第二资源上不发送上行业务的通知；
其中，第二资源是网络设备已分配给第二终端设备的，用于第二终端设备发送上行业务的资源；
S502、第二终端设备确定在第二资源上不发送上行业务。
第二终端设备侧的方法实施例内容可参见网络设备侧的方法实施例内容，此处不再赘述。
下面举例说明本申请实施例提供的一种资源分配方法。
如图6所示为至少一个第二终端设备占用的资源的示意图，每个格子代表一个资源单元，每个格子在时域上可以表示一个符号(symbol)、或者一个时隙、又或者一个子帧，每个格子在频域上可以表示一个子载波、或者一个资源块。
以网络设备抢占的至少一个第二终端设备的第二资源由时域资源单元组成为例，如图7所示，网络设备将至少一个第二终端设备占用的第5列格子的时域资源和第12列格子的时域资源选作为第二资源，网络设备将该第二资源分配给第一终端设备，该第二资 源即为网络设备分配给第一终端设备的第一资源。
以网络设备抢占的至少一个第二终端设备的第二资源由频域资源单元组成为例，如图8所示，网络设备将至少一个第二终端设备占用的第5行格子的频域资源和第10行格子的频域资源选作为第二资源，网络设备将该第二资源分配给第一终端设备，该第二资源即为网络设备分配给第一终端设备的第一资源。
本申请实施例提供的上述技术方案中，通过网络设备将已分配给至少一个第二终端设备的第二资源抢占后作为第一资源分配给第一终端设备，可以实现网络设备及时地为第一终端设备分配用于该第一终端发送短发送时间间隔上行业务的资源，进而保证短发送时间间隔上行业务的低时延和高可靠性的需求。通过网络设备通知至少一个第二终端在第二资源上不进行数据传输，避免第二终端设备继续占用第二资源导致第二终端设备与第一终端设备互相产生干扰和冲突，进而实现第一终端设备和第二终端设备共享资源，提高资源利用率。
可选地，作为一个实施例，当网络设备将之前分配给第二终端设备的第二资源分配给第一终端设备后，第二终端设备可以对调制得到的调制符号进行离散傅立叶变换(Discrete Fourier Transform，DFT)，然后再将DFT得到的符号映射到没有被占用的第三资源中。
具体来说，第二终端设备可以先对调制得到的N个调制符号进行DFT，得到N个符号，然后再将DFT得到的N个符号中的M个符号映射到所述第三资源，其中，N为大于等于1的整数，M为小于N的整数(M可以为0)。而对于DFT得到的N个符号中的另外N-M个符号，第二终端设备可以不将这N-M个符号映射到第三资源，其中，第三资源是用于第二终端发送上行业务的资源，第三资源不包括被占用的第二资源。应理解，这里的第三资源可以是原先分配给第二终端设备的所有资源中除去被占用的第二资源之外的全部或者部分资源。另外，在将DFT得到的M个符号映射到第三资源之前，第二终端设备可以对DFT得到的符号进行其它的处理，例如，进行预编码处理，然后再将DFT得到的符号映射到第三资源。
具体来说，如图9所示，第二终端设备在接收到网络设备的打孔通知(通知第二终端设备的第二资源被其它终端设备占用)后，第二终端设备可以选择在DFT之后进行数据打孔，即保持DFT的输入点数不变，而DFT输出的符号不能映射在被其它终端设备占用的资源，如时频资源上。具体地，第二终端设备在准备发送上行数据的过程中，可以对上行数据进行编码、交织、调制，以得到调制符号，然后对全部调制符号进行DFT，得到DFT处理后的符号，然后选择部分符号，并将该部分符号映射到未被占用的资源，接下来，再对映射到未被占用的资源中的符号进行离散傅立叶逆变换(Inverse Discrete Fourier Transform，IDFT)，以将上行数据发送给网络设备。
应理解，上述部分符号可以是与第三资源对应的符号，也就是说上述部分符号是根据DFT得到的符号与资源的映射关系，确定要映射到第三资源的符号。也就是说，在DFT之后，终端设备可以先根据DFT得到的符号与资源的映射关系确定与第三资源对应的部分符号，然后再将这部分符号映射到第三资源。
第二终端设备通过将DFT得到的部分符号映射到未被其它终端设备占用的资源中，能够在第二资源被其它终端设备占用的情况下，将数据映射到未被占用的第三资源，从而避免由于第二资源不能映射数据而对终端设备上行数据的传输造成影响。
可选地，作为一个实施例，当第二终端设备将调制得到的调制符号进行DFT，然后再将DFT得到的符号映射到第三资源时，可以先对调制得到的N个调制符号中的M个调制符号进行DFT，得到M个符号，然后再将DFT得到的M个符号映射到所述第三资源，其中，N为大于等于1的整数，M为小于N的整数(M可以为0)。而对于N个调制符号中的另外N-M个调制符号，第二终端设备可以不对N个调制符号中的N-M个调制符号进行DFT，其中，上述N-M个调制符号是进行DFT之后与第一资源对应的调制符号，第三资源是用于第二终端发送上行业务的资源，第三资源不包括被占用的第二资源。也就是说，如果第二资源没有被占用，那么在映射数据时，对N-M个调制符号进行DFT得到的符号后，会将这些符号映射到第二资源。应理解，在将DFT得到的M个符号映射到第三资源之前，可以对DFT得到的符号进行其它的处理，例如，进行预编码处理，然后再将DFT得到的符号映射到第三资源。
具体而言，如图10所示，第二终端设备在接收到网络设备的打孔通知(通知第二终端设备的第一资源被其它终端设备占用)后，第二终端设备可以选择在DFT之前进行数据打孔，即改变DFT的输入点数，同时DFT输出的符号不能映射在被其它终端设备占用的资源，如时频资源上。具体地，第二终端设备在准备发送上行数据的过程中，可以对上行数据进行编码、交织、调制，以得到调制符号，然后从全部调制符号中选择部分调制符号进行DFT，得到DFT处理后的符号，然后将DFT得到的符号都映射到未被占用的资源，接下来，再对映射到未被占用资源中的符号进行IDFT，以将上行数据发送给网络设备。
应理解，上述部分调制符号可以是与第二资源对应的调制符号，也就是说上述部分调制符号是根据调制符号与资源的映射关系，确定要映射到第二资源的调制符号。也就是说，在DFT之前，第二终端设备可以先根据调制符号与资源的映射关系确定与第二资源对应的部分调制符号，然后再对这部分调制符号进行DFT，并将得到的全部符号映射到第二资源。
可选地，上述第二资源可以由至少一个时域资源单元组成，每个时域资源单元可以承载一定信息。例如，第二资源由至少一个时域资源单元组成时，时域资源单元可以包括以下之一或组合：符号(symbol)、时隙、子帧(subframe)。应理解，这里的时域资源单元不仅可以是LTE中定义的各种类型的时间间隔，还可以是未来5G(即新的无线接入技术，New Radio Access Technology，简称NR)中定义的时间间隔。
可选的，上述第二资源也可以由至少一个频域资源单元组成，每个频域资源单元可以承载一定信息。例如，第二资源由至少一个频域资源单元组成时，频域资源单元可以包括以下之一或组合：子载波(subcarrier)、子载波组、资源块(Resource Block，RB)、资源块组。
图11为本申请实施例提供的一种网络设备，该网络设备可以采用图4对应的实施例提供的方法。该网络设备900包括：处理单元901和发送单元902。
处理单元901，用于通过发送单元902通知第一终端设备用于第一终端设备发送上行业务的第一资源，第一资源包括网络设备已分配给至少一个第二终端设备的第二资源，第二资源用于至少一个第二终端设备发送上行业务；通过发送单元902通知至少一个第二终端设备在第二资源上不发送上行业务。
可选的，第一资源由至少一个时域资源单元组成，或者第一资源由至少一个频域资 源单元组成。
可选的，第一资源由至少一个时域资源单元组成时，时域资源单元包括以下之一或组合：符号、时隙、子帧。
可选的，第一资源由至少一个频域资源单元组成时，频域资源单元包括以下之一或组合：子载波、子载波组、资源块、资源块组。
可选的，处理单元901通过发送单元902通知至少一个第二终端设备在第二资源上不发送上行业务时，具体用于：
处理单元901通过发送单元902向至少一个第二终端设备发送下行控制信令，下行控制信令用于指示至少一个第二终端设备在第二资源上不发送上行业务。
可选的，第一终端设备发送的上行业务是短时延上行业务，至少一个第二终端设备发送的上行业务是非短时延上行业务。
可选的，第一终端设备与第二终端设备是同一终端设备，或者，第一终端设备与第二终端设备是不同的终端设备。
需要说明的是，本申请实施例中对单元的划分是示意性的，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式。另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。
所述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的全部或部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)或处理器(processor)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
基于以上实施例，本申请实施例还提供了一种网络设备，该网络设备可采用图4对应的实施例提供的方法，可以是与图11所示的网络设备相同的设备。参阅图12所示，该网络设备1000包括：处理器1001、发射器1002、总线1003以及存储器1004，其中：
处理器1001、发射器1002以及存储器1004通过总线1003相互连接；总线1003可以是外设部件互连标准(peripheral component interconnect，PCI)总线或扩展工业标准结构(extended industry standard architecture，EISA)总线等。所述总线可以分为地址总线、数据总线、控制总线等。为便于表示，图12中仅用一条粗线表示，但并不表示仅有一根总线或一种类型的总线。
图12中处理器1001对应图11中的处理单元901，图12中发射器1002对应图11中的发送单元902。该终端设备1000还包括存储器1004，用于存放程序等。具体地，程序可以包括程序代码，该程序代码包括计算机操作指令。存储器1004可能包含随机存取存储器(random access memory，RAM)，也可能还包括非易失性存储器(non-volatile memory)，例如至少一个磁盘存储器。处理器1001执行存储器1004所存放的应用程序，实现如上资源分配方法。
图13为本申请实施例提供的一种终端设备，该终端设备可以采用图5对应的实施例提供的方法。该终端设备1100包括：接收单元1101和处理单元1102。
接收单元1101，用于接收网络设备发送的用于指示终端设备在第二资源上不发送上行业务的通知；
其中，第二资源是网络设备已分配给终端设备的，用于终端设备发送上行业务的资源；
处理单元1102，用于根据接收单元1101接收的通知，确定终端设备1100在第二资源上不发送上行业务。
可选的，接收单元1101具体用于：
接收网络设备发送的下行控制信令，下行控制信令用于指示终端设备在第二资源上不发送上行业务。
可选的，处理单元1102用于：对调制得到的N个调制符号进行DFT，得到N个符号，其中，N为大于等于1的整数；将DFT得到的N个符号中的M个符号映射到所述第三资源，其中，所述第三资源用于所述终端设备发送上行业务，所述第三资源不包括所述第二资源，M为小于N的整数。
可选的，处理单元1102用于：对调制得到的N个调制符号中的M个调制符号进行DFT，得到M个符号，其中，N为大于等于1的整数，M为小于N的整数；将DFT得到的M个符号映射到第三资源，其中，所述第三资源用于所述终端设备发送上行业务，所述第三资源不包括所述第二资源。
可选的，所述第二资源不用于承载所述N个符号中的N-M个符号。
可选的，所述N个符号中的N-M个符号不被映射。
可选的，所述N个调制符号中的N-M个调制符号不被DFT。
可选的，第二资源由至少一个时域资源单元组成，或者第二资源由至少一个频域资源单元组成。
可选的，第二资源由至少一个时域资源单元组成时，时域资源单元包括以下之一或组合：符号、时隙、子帧。
可选的，第二资源由至少一个频域资源单元组成时，频域资源单元包括以下之一或组合：子载波、子载波组、资源块、资源块组。
可选的，终端设备1100发送的上行业务是非短时延上行业务。
基于以上实施例，本申请实施例还提供了一种终端设备，该终端设备可采用图5对应的实施例提供的方法，可以是与图13所示的终端设备相同的设备。参阅图14所示，该终端设备1200包括：接收器1201和处理器1202、总线1203以及存储器1204，其中：
接收器1201和处理器1202以及存储器1204通过总线1203相互连接；总线1203可以是PCI总线或EISA总线等。所述总线可以分为地址总线、数据总线、控制总线等。为便于表示，图14中仅用一条粗线表示，但并不表示仅有一根总线或一种类型的总线。
图14中接收器1201对应图13中的接收单元1101，图14中处理器1202对应图13中的处理单元1102。该终端设备1200还包括存储器1204，用于存放程序等。具体地，程序可以包括程序代码，该程序代码包括计算机操作指令。存储器1204可能包含RAM，也可能还包括非易失性存储器，例如至少一个磁盘存储器。处理器1202执行存储器1204所存放的应用程序，实现如上资源分配方法。
基于以上实施例，本申请实施例提供的一种无线通信系统，用以实现如上资源分配方法。参阅图15所示，该无线通信系统1300包括：网络设备1301、第一终端设备1302以及至少一个第二终端设备1303。其中，
网络设备1301，用于通知第一终端设备1302用于第一终端设备1302发送上行业务的第一资源，第一资源包括网络设备1101已分配给至少一个第二终端设备1303的第二资源，第二资源用于至少一个第二终端设备1303发送上行业务；通知至少一个第二终端设备1303在第二资源上不发送上行业务；
第一终端设备1302，用于接收网络设备1301发送的用于指示第一终端设备1302发送上行业务的第一资源的通知；
至少一个第二终端设备1303，用于接收网络设备1301发送的用于指示至少一个第二终端设备1303在第二资源上不发送上行业务的通知。
可选的，第一终端设备1302还用于：
根据接收的网络设备1301发送的通知，在第一资源上发送上行业务。
可选的，至少一个第二终端设备1303还用于：
根据接收的网络设备1301发送的通知，确定在第二资源上不发送上行业务。
可选的，第一终端设备1302发送的上行业务是短时延上行业务，至少一个第二终端设备1303发送的上行业务是非短时延上行业务。
可选的，第一资源由至少一个时域资源单元组成，或者第一资源由至少一个频域资源单元组成。
可选的，第一资源由至少一个时域资源单元组成时，时域资源单元包括以下之一或组合：符号、时隙、子帧。
可选的，第一资源由至少一个频域资源单元组成时，频域资源单元包括以下之一或组合：子载波、子载波组、资源块、资源块组。
可选的，网络设备1301通知至少一个第二终端设备1303在第二资源上不发送上行业务时，具体用于：
向至少一个第二终端设备1303发送下行控制信令，下行控制信令用于指示至少一个第二终端设备1303在第二资源上不发送上行业务。
可选的，第一终端设备1302发送的上行业务是短时延上行业务，至少一个第二终端设备1103发送的上行业务是非短时延上行业务。
可选的，第一终端设备1302与第二终端设备1303是同一终端设备，或者，第一终端设备1302与第二终端设备1303是不同的终端设备。
本申请实施例提供的上述技术方案中，通过网络设备将已分配给至少一个第二终端设备的第二资源抢占后作为第一资源分配给第一终端设备，可以实现网络设备及时地为第一终端设备分配用于该第一终端发送短发送时间间隔上行业务的资源，进而保证短发送时间间隔上行业务的低时延和高可靠性的需求。通过网络设备通知至少一个第二终端在第二资源上不进行数据传输，避免第二终端设备继续占用第二资源导致第二终端设备与第一终端设备互相产生干扰和冲突，进而实现第一终端设备和第二终端设备共享资源，提高资源利用率。
尽管已描述了本申请的优选实施例，但本领域内的技术人员一旦得知了基本创造性概念，则可对这些实施例做出另外的变更和修改。所以，所附权利要求意欲解释为包括 优选实施例以及落入本申请范围的所有变更和修改。
显然，本领域的技术人员可以对本申请实施例进行各种改动和变型而不脱离本申请实施例的精神和范围。这样，倘若本申请实施例的这些修改和变型属于本申请权利要求及其等同技术的范围之内，则本申请也意图包含这些改动和变型在内。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以所述权利要求的保护范围为准。

Claims (40)

  1. 一种资源分配方法，其特征在于，包括：
    网络设备通知第一终端设备用于所述第一终端设备发送上行业务的第一资源，所述第一资源包括所述网络设备已分配给至少一个第二终端设备的第二资源，所述第二资源用于所述至少一个第二终端设备发送上行业务；
    所述网络设备通知所述至少一个第二终端设备在所述第二资源上不发送上行业务。
  2. 如权利要求1所述的方法，其特征在于，所述第一资源由至少一个时域资源单元组成，或者所述第一资源由至少一个频域资源单元组成。
  3. 如权利要求2所述的方法，其特征在于，所述第一资源由至少一个时域资源单元组成时，所述时域资源单元包括以下之一或组合：符号、时隙、子帧。
  4. 如权利要求2所述的方法，其特征在于，所述第一资源由至少一个频域资源单元组成时，所述频域资源单元包括以下之一或组合：子载波、子载波组、资源块、资源块组。
  5. 如权利要求1-4中任一所述的方法，其特征在于，所述网络设备通知所述至少一个第二终端设备在所述第二资源上不发送上行业务，包括：
    所述网络设备向所述至少一个第二终端设备发送下行控制信令，所述下行控制信令用于指示所述至少一个第二终端设备在所述第二资源上不发送上行业务。
  6. 如权利要求1-5中任一所述的方法，其特征在于，所述第一终端设备发送的上行业务是短时延上行业务，所述至少一个第二终端设备发送的上行业务是非短时延上行业务。
  7. 如权利要求6所述的方法，其特征在于，所述第一终端设备与所述第二终端设备是同一终端设备，或者，所述第一终端设备与所述第二终端设备是不同的终端设备。
  8. 一种资源分配方法，其特征在于，包括：
    第二终端设备接收网络设备发送的用于指示所述第二终端设备在第二资源上不发送上行业务的通知；
    其中，所述第二资源是所述网络设备已分配给所述第二终端设备的，用于所述第二终端设备发送上行业务的资源；
    所述第二终端设备确定在所述第二资源上不发送上行业务。
  9. 如权利要求8所述的方法，其特征在于，所述第二终端设备接收网络设备发送的用于指示所述第二终端设备在第二资源上不发送上行业务的通知，包括：
    所述第二终端设备接收所述网络设备发送的下行控制信令，所述下行控制信令用于指示所述第二终端设备在所述第二资源上不发送上行业务。
  10. 如权利要求8或9所述的方法，其特征在于，所述方法还包括：
    所述第二终端设备对调制得到的N个调制符号进行离散傅里叶变换DFT，得到N个符号，其中，N为大于等于1的整数；
    所述第二终端设备将DFT得到的N个符号中的M个符号映射到第三资源，其中，所述第三资源用于所述第二终端设备发送上行业务，所述第三资源不包括所述第二资源，M为小于N的整数。
  11. 如权利要求8或9所述的方法，其特征在于，所述方法还包括：
    所述第二终端设备对调制得到的N个调制符号中的M个调制符号进行离散傅里叶变换DFT，得到M个符号，其中，N为大于等于1的整数，M为小于N的整数；
    所述第二终端设备将DFT得到的M个符号映射到所述第三资源，其中，所述第三资源用于所述第二终端设备发送上行业务，所述第三资源不包括所述第二资源。
  12. 如权利要求10所述的方法，其特征在于，所述第二资源不用于承载所述N个符号中的N-M个符号，且所述N个符号中的N-M个符号不被映射。
  13. 如权利要求11所述的方法，其特征在于，所述N个调制符号中的N-M个调制符号不被DFT。
  14. 如权利要求8-13中任一项所述的方法，其特征在于，所述第二资源由至少一个时域资源单元组成，或者所述第二资源由至少一个频域资源单元组成。
  15. 如权利要求14所述的方法，其特征在于，所述第二资源由至少一个时域资源单元组成时，所述时域资源单元包括以下之一或组合：符号、时隙、子帧。
  16. 如权利要求14所述的方法，其特征在于，所述第二资源由至少一个频域资源单元组成时，所述频域资源单元包括以下之一或组合：子载波、子载波组、资源块、资源块组。
  17. 如权利要求8-16中任一所述的方法，其特征在于，所述第二资源用于第一终端设备发送上行业务。
  18. 如权利要求17所述的方法，其特征在于，所述第一终端设备发送的上行业务是短时延上行业务，所述第二终端设备发送的上行业务是非短时延上行业务。
  19. 如权利要求17所述的方法，其特征在于，所述第一终端设备与所述第二终端设备是同一终端设备，或者，所述第一终端设备与所述第二终端设备是不同的终端设备。
  20. 一种网络设备，其特征在于，包括处理单元和发送单元，其中：
    所述处理单元，用于通过所述发送单元通知第一终端设备用于所述第一终端设备发送上行业务的第一资源，所述第一资源包括所述网络设备已分配给至少一个第二终端设备的第二资源，所述第二资源用于所述至少一个第二终端设备发送上行业务；通过所述发送单元通知所述至少一个第二终端设备在所述第二资源上不发送上行业务。
  21. 如权利要求20所述的网络设备，其特征在于，所述第一资源由至少一个时域资源单元组成，或者所述第一资源由至少一个频域资源单元组成。
  22. 如权利要求21所述的网络设备，其特征在于，所述第一资源由至少一个时域资源单元组成时，所述时域资源单元包括以下之一或组合：符号、时隙、子帧。
  23. 如权利要求21所述的网络设备，其特征在于，所述第一资源由至少一个频域资源单元组成时，所述频域资源单元包括以下之一或组合：子载波、子载波组、资源块、资源块组。
  24. 如权利要求20-23中任一所述的网络设备，其特征在于，所述处理单元通过所述发送单元通知所述至少一个第二终端设备在所述第二资源上不发送上行业务时，具体用于：
    所述处理单元通过所述发送单元向所述至少一个第二终端设备发送下行控制信令，所述下行控制信令用于指示所述至少一个第二终端设备在所述第二资源上不发送上行业务。
  25. 如权利要求20-24中任一所述的网络设备，其特征在于，所述第一终端设备发 送的上行业务是短时延上行业务，所述至少一个第二终端设备发送的上行业务是非短时延上行业务。
  26. 如权利要求20-25中任一所述的网络设备，其特征在于，所述第一终端设备与所述第二终端设备是同一终端设备，或者，所述第一终端设备与所述第二终端设备是不同的终端设备。
  27. 一种终端设备，其特征在于，包括：
    接收单元，用于接收网络设备发送的用于指示所述终端设备在第二资源上不发送上行业务的通知；
    其中，所述第二资源是所述网络设备已分配给所述终端设备的，用于所述终端设备发送上行业务的资源；
    处理单元，用于根据所述接收单元接收的所述通知，确定所述终端设备在所述第二资源上不发送上行业务。
  28. 如权利要求27所述的终端设备，其特征在于，所述接收单元具体用于：
    接收所述网络设备发送的下行控制信令，所述下行控制信令用于指示所述终端设备在所述第二资源上不发送上行业务。
  29. 如权利要求27或28所述的终端设备，其特征在于，所述处理单元用于：
    对调制得到的N个调制符号进行离散傅里叶变换DFT，得到N个符号，其中，N为大于等于1的整数；
    将DFT得到的N个符号中的M个符号映射到所述第三资源，其中，所述第三资源用于所述终端设备发送上行业务，所述第三资源不包括所述第二资源，M为小于N的整数。
  30. 如权利要求27或28所述的终端设备，其特征在于，所述处理单元用于：
    对调制得到的N个调制符号中的M个调制符号进行离散傅里叶变换DFT，得到M个符号，其中，N为大于等于1的整数，M为小于N的整数；
    将DFT得到的M个符号映射到第三资源，其中，所述第三资源用于所述终端设备发送上行业务，所述第三资源不包括所述第二资源。
  31. 如权利要求29所述的终端设备，其特征在于，所述第二资源不用于承载所述N个符号中的N-M个符号，且所述N个符号中的N-M个符号不被映射。
  32. 如权利要求30所述的终端设备，其特征在于，所述N个调制符号中的N-M个调制符号不被DFT。
  33. 如权利要求27-32中任一项所述的终端设备，其特征在于，所述第二资源由至少一个时域资源单元组成，或者所述第二资源由至少一个频域资源单元组成。
  34. 如权利要求33所述的终端设备，其特征在于，所述第二资源由至少一个时域资源单元组成时，所述时域资源单元包括以下之一或组合：符号、时隙、子帧。
  35. 如权利要求33所述的终端设备，其特征在于，所述第二资源由至少一个频域资源单元组成时，所述频域资源单元包括以下之一或组合：子载波、子载波组、资源块、资源块组。
  36. 如权利要求27-35中任一所述的终端设备，其特征在于，所述终端设备发送的上行业务是非短时延上行业务。
  37. 一种装置，其特征在于，包括：
    存储器，用于存储程序；
    处理器，用于执行所述存储器中存储的程序，以使得网络设备执行权利要求1-7中任一项所述的方法。
  38. 一种装置，其特征在于，包括：
    存储器，用于存储程序；
    处理器，用于执行所述存储器中存储的程序，以使得终端设备执行权利要求8-19中任一项所述的方法。
  39. 一种计算机可读存储介质，其特征在于，所述计算机可读存储介质中存储有指令，当其在网络设备上运行时，使得所述网络设备执行权利要求1-7中任一项所述的方法。
  40. 一种计算机可读存储介质，其特征在于，所述计算机可读存储介质中存储有指令，当其在终端设备上运行时，使得所述终端设备执行权利要求8-19中任一项所述的方法。
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